1. National Aeronautics and Space Administration, Environmental Management Division, Ames Research Center, Moffett Field, CA.
2. International Space Univ., Parc d’Innovation, Illkirch-Graffenstaden, France.
3. China Siwei Surveying and Mapping Technology Co. Ltd., Zizhuyuan, Haidian District, Beijing, China.
4. Satish Dhawan Space Centre, Sriharikota, Nellore District, AP, India.